Refactor export data functions and exportpersistedstate function to just expect state

Summary: This diff refactors the `exportpersistedstate` and few of the functions in exportData.tsx to just expect the Redux State instead the store object.

Reviewed By: mweststrate

Differential Revision: D18733011

fbshipit-source-id: 56739917b49142ba4b6e79e7c16378fe60d6ac3b

src/plugins/layout/index.tsx

@@ -11,7 +11,6 @@ import {
   ElementID,
   Element,
   ElementSearchResultSet,
-  MiddlewareAPI,
   PluginClient,
   FlexColumn,
   FlexRow,
@@ -27,6 +26,7 @@ import {
   colors,
   SupportRequestFormManager,
   constants,
+  ReduxState,
 } from 'flipper';
 import Inspector from './Inspector';
 import ToolbarIcon from './ToolbarIcon';
@@ -97,7 +97,7 @@ export default class Layout extends FlipperPlugin<State, any, PersistedState> {
       allNodes: PersistedState;
     }>,
     persistedState: PersistedState | undefined,
-    store: MiddlewareAPI | undefined,
+    store: ReduxState | undefined,
   ): Promise<PersistedState | undefined> => {
     if (!store) {
       return persistedState;